EASY
7th CBSE
IMPORTANT
Earn 100

What happens when a beam of light strikes a surface?

Important Questions on Light

EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 5
A girl of 15 cm height was looking at herself in the mirror of her dressing room. What is the height of the image formed in the mirror?   
EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Explore>Q 1
Which type of lens is present in human eye? How does it help to see objects?
EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Think Science>Q 1
A green ball appears black in red light. Why?
HARD
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 1
How does the blue object appear in white light?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 1
How does the blue object appear in green light?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 1
How does the blue object appear in blue light?
EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 2
Can photosynthesis occur in green light or red light?
EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 3
What is the time of persistence of human eye?